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EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. ================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / folios_put_refs write to 0xffff888237d2ac08 of 1 bytes by task 19699 on cpu 1: folio_batch_reinit include/linux/pagevec.h:50 [inline] folios_put_refs+0x266/0x2b0 mm/swap.c:1028 folios_put include/linux/mm.h:1567 [inline] folio_batch_move_lru+0x298/0x2c0 mm/swap.c:240 lru_add_drain_cpu+0x77/0x260 mm/swap.c:667 lru_add_drain+0x26/0x80 mm/swap.c:767 exit_mmap+0x170/0x6f0 mm/mmap.c:3262 __mmput+0x28/0x1c0 kernel/fork.c:1346 mmput+0x4c/0x60 kernel/fork.c:1368 exit_mm+0xe4/0x190 kernel/exit.c:569 do_exit+0x57e/0x1740 kernel/exit.c:865 do_group_exit+0x102/0x150 kernel/exit.c:1027 get_signal+0xf2f/0x1080 kernel/signal.c:2911 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x59/0x130 kernel/entry/common.c:218 do_syscall_64+0xda/0x1d0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888237d2ac08 of 1 bytes by task 19449 on cpu 0: folio_batch_count include/linux/pagevec.h:56 [inline] cpu_needs_drain mm/swap.c:810 [inline] __lru_add_drain_all+0x137/0x420 mm/swap.c:904 lru_add_drain_all+0x10/0x20 mm/swap.c:920 invalidate_bdev+0x54/0x80 block/bdev.c:95 ext4_put_super+0x51b/0x7e0 fs/ext4/super.c:1361 generic_shutdown_super+0xde/0x210 fs/super.c:641 kill_block_super+0x2a/0x70 fs/super.c:1675 ext4_kill_sb+0x44/0x80 fs/ext4/super.c:7327 deactivate_locked_super+0x7d/0x1c0 fs/super.c:472 deactivate_super+0x9f/0xb0 fs/super.c:505 cleanup_mnt+0x272/0x2e0 fs/namespace.c:1267 __cleanup_mnt+0x19/0x20 fs/namespace.c:1274 task_work_run+0x13a/0x1a0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xbe/0x130 kernel/entry/common.c:218 do_syscall_64+0xda/0x1d0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 19449 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00290-gb9158815de52 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/05/05 22:27 | upstream | b9158815de52 | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/05/05 15:43 | upstream | 7367539ad4b0 | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/05/02 07:13 | upstream | 0106679839f7 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/30 10:29 | upstream | 98369dccd2f8 | f10afd69 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/27 09:43 | upstream | 5eb4573ea63d | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/18 23:56 | upstream | 2668e3ae2ef3 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/17 18:43 | upstream | 4b6b51322118 | acc528cb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/16 23:58 | upstream | 96fca68c4fbf | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/16 09:11 | upstream | 96fca68c4fbf | 0d592ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/15 13:20 | upstream | 0bbac3facb5d | b9af7e61 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs | ||
2024/04/07 23:10 | upstream | 9fe30842a90b | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __lru_add_drain_all / folios_put_refs |